| Minerals in Group: | | Astrophyllite | : | | | Hydroastrophyllite | : | | (H | | O,K,Ca) | | (Fe,Mn) | | Ti | | Si | | (O,OH) | | |
| | Kupletskite | : | | | Kupletskite-(Cs) | : | | (Cs,K,Na) | | (Mn,Fe | | ) | | (Ti,Nb) | | Si | | O | | (O,OH,F) | | |
| | Magnesioastrophyllite | : | | (Na,K) | | Mg | | (Fe,Fe,Mn) | | Ti | | Si | | O | | (O,OH,F) | | |
| | Niobokupletskite | : | | K | | Na(Mn,Zn,Fe) | | (Nb,Zr,Ti) | | Si | | O | | (OH) | | (O,F) |
| | Niobophyllite | : | | (K,Na) | | (Fe,Mn) | | (Nb,Ti) | | Si | | (O,OH,F) | | |
| | Zircophyllite | : | | (K,Na) | | (Mn,Fe | | ) | | (Zr,Ti) | | Si | | O | | (O,OH,F) | | |
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| Reference List: | Piilonen, P.C., et al. (2003): Insights into astrophyllite-group minerals. I. Nomenclature, composition and development of a general standard formula. Canadian Mineralogist 41, 1-26.
Mills, S. J., Hatert, F., Nickel, E. H. & Ferraris, G. (2009) The standardisation of mineral group hierarchies: application to recent nomenclature proposals. European Journal of Mineralogy, 21(5), 1073–1080. |
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